Powered by 3-123A lithium batteries, the T3 has a patented optical system that provides thermal management while harnessing and projecting a powerfully bright (178 lumens) uniform focused spot with flood beam. Engineered with the professional in mind, the T3 has a patented Tactical End-Cap Switch that activates constant and momentary High, Low, Strobe, and Lockout modes to enhance overhand operation. It has a precision machined, aluminum body from solid bar stock; with military-spec Type III hard coat anodized black finish and an aggressive knurling pattern for positive grip. Easy to carry and handle, it's an invaluable asset for those who depend on reliable, brilliant light to navigate threatening situations.